MESON Chess Problem Database

Problem Display
PID: 235545 (2Bn2N1/3N4/R2PrP2/R1Pkb2Q/6p1/3Kppq1/8/8 w - - 0 1)

Goldschmeding, Cornelis

Il Due Mosse, 1959

2Bn2N1/3N4/R2PrP2/R1Pkb2Q/6p1/3Kppq1/8/8

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Rxd6#
    • 1...Rxf6
      • 2.Sdxf6#
    • 1...Sc6
      • 2.Sb6#
    • 1...Sb7
      • 2.Bxb7#
    • 1...Sf7
      • 2.Bb7#
  • Tries
    • 1.Bb7+?
      • 1...Sc6
        • 2.Sb6#
        • 2.Bxc6#
      • 1...Sxb7!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Se7#
      • 1...Bxd6
        • 2.cxd6#
      • 1...Bxf6
        • 2.Sgxf6#
      • 1...Sxf7
        • 2.Bb7#
      • 1...Sc6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(g);OGATE,XP(F)::R1(E),XR(g)
    • R(g);XP(G)::S(H),XR(g)
    • S(h);SBLOCK::S(H)
    • S(h);N_GUARD::B(I),XS(h)
    • S(h);N_GUARD::B(I)
  • Tries
    • Try
      • B(I);CHECK
      • Refutation
        • S(h);XB(I)
  • Actual
    • Q(D);N_PINB(f),P_PINR(g)
    • Threat
      • S(J)
    • Vars
      • B(f);OGATE,XP(F)::R(B)+P(C),XB(f)
      • B(f);XP(G)::S(J),XB(f)
      • S(h);N_GUARD,N_SPINR(g),XQ(D)::B(I)
      • S(h);SBLOCK::S(H)
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